23212001000 has 64 divisors (see below), whose sum is σ = 54926586000. Its totient is φ = 9180441600.

The previous prime is 23212000951. The next prime is 23212001009. The reversal of 23212001000 is 10021232.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5134756 + 23206866244 = 2266^2 + 152338^2 .

It is not an unprimeable number, because it can be changed into a prime (23212001009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41405 + ... + 219404.

Almost surely, 2^23212001000 is an apocalyptic number.

23212001000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23212001000 is an abundant number, since it is smaller than the sum of its proper divisors (31714585000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23212001000 is a wasteful number, since it uses less digits than its factorization.

23212001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260919 (or 260905 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 23212001000 its reverse (10021232), we get a palindrome (23222022232).

The spelling of 23212001000 in words is "twenty-three billion, two hundred twelve million, one thousand".